Re: mount dmg disk
Re: mount dmg disk
- Subject: Re: mount dmg disk
- From: "gMail.com" <email@hidden>
- Date: Sun, 14 Mar 2010 21:41:24 +0100
- Thread-topic: mount dmg disk
Thank you so much Gwynne!
I had to modify just one thing, then it worked: since we invoke directly
hdiutil, I removed "hdiutil" from the args, so now it looks like:
*args = [NSArray arrayWithObjects:@"mount", @"-stdinpass", dmgPath, nil];
The rest was ok. Thanks again.
Regards
--
Leonardo
> Da: Gwynne Raskind <email@hidden>
> Data: Sun, 14 Mar 2010 15:32:41 -0400
> A: "gMail.com" <email@hidden>
> Cc: <email@hidden>
> Oggetto: Re: mount dmg disk
>
> On Mar 14, 2010, at 3:22 PM, gMail.com wrote:
>> Hi,
>> I can't find a way in Cocoa to mount a dmg disk.
>> So I would try to call the shell through a NSTask.
>> I succeed on the Terminal when executing this command line:
>>
>> echo -n password | hdiutil mount /Users/john/Documents/MyDmgDisk.dmg
>>
>> But when I pass this command line to the NSTask, I fail all the time.
>> Furthermore, the app stops to output my NSLog messages to the XCode console.
>> Please, what do I miss?
>>
>> NSString *commandLine = @"echo -n password | hdiutil mount
>> /Users/john/Documents/MyDmgDisk.dmg";
>>
>> NSArray *args = [NSArray arrayWithObjects:@"-c", commandLine , nil];
>> NSTask *task = [[NSTask alloc] init];
>> [task setLaunchPath:@"/bin/sh"];
>> [task setArguments:args];
>> [task setStandardOutput:[NSFileHandle fileHandleWithNullDevice]];
>> [task setStandardError:[NSFileHandle fileHandleWithStandardError]];
>> [task launch];
>> [task waitUntilExit];
>> int result = [task terminationStatus];
>> [task release];
>>
>>
>> Please note, in case of no password, I simply call
>> system("hdiutil mount Users/john/Documents/MyDmgDisk.dmg");
>> and it works well all the time. But even here, I don't know how to deal with
>> the password. Any idea?
>
>
> You're relying too heavily on the shell, and you're not passing the necessary
> -stdinpass option to hdiutil. Try (written in Mail, no guarantees):
>
> NSArray *args = [NSArray arrayWithObjects:@"hdiutil", @"mount",
> @"-stdinpass", pathToDMG, nil];
> NSTask *task = [[NSTask alloc] init];
> NSPipe *pipe = [NSPipe pipe];
>
> [task setLaunchPath:@"/usr/bin/hdiutil"];
> [task setArguments:args];
> [task setStandardInput:pipe];
> [task setStandardOutput:[NSFileHandle fileHandleWithNullDevice]];
> [task setStandardError:[NSFileHandle fileHandleWithStandardError]];
> [task launch];
> [[pipe fileHandleForWriting] writeData:[@"password";
> dataUsingEncoding:NSUTF8StringEncoding]];
> [[pipe fileHandleForWriting] closeFile];
> [task waitUntilExit];
> int result = [task terminationStatus];
> [task release];
>
> -- Gwynne
>
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